Step chair



FIG. 1 is a front perspective view of a step chair, with the back rest in its vertical position, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view, the other side being identical thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view with the backrest in the horizontal position thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof; and,

FIG. 11 is a bottom plan view thereof. 

The ornamental design for a step chair, as shown and described. 